• Scientists studied flu cases in more than 600 zip codes around the US - and found where flu season lasts the longest

    11 days ago - By Business Insider

    Researchers studied flu rates in 603 zip codes around the US from 2002 to 2008.
    They found that the viruses don't circulate the same way everywhere: In small towns and sprawling cities, humidity plays an important role in flu transmission, and flu spreads fastest when it's cold and dry.
    In denser cities, flu season tends to last longer, suggesting that weather doesn't matter as much as person-to-person contact in a densely populated place.
    Despite their different climates, big cities like Miami and New York can expect longer, more persistent flu seasons than less dense cities like...
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